For reference here's Japan's Nuclear and Industrial Safety Agency (NISA)
The status report is fromrom the Japan Atomic Industrial Forum (JAIF):
| Status of reactors at 12:30 March 14 | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Power output (MWe) | 460 | 784 | 784 | 784 | 784 | 1100 |
| Type of reactor | BWR-3 | BWR-4 | BWR-4 | BWR-4 | BWR-4 | BWR-5 |
| Status at earthquake | In service | In service | In service | Shut down | Shut down | Shut down |
| Fuel integrity | Damaged | Not damaged | Damaged | Not damaged | Not damaged | Not damaged |
| Containment integrity | Not damaged | Not damaged | Not damaged | Not damaged | Not damaged | Not damaged |
| Core cooling system 1 (ECCS/RHR) | Not functional | Not functional | Not functional | Not necessary | Not necessary | Not necessary |
| Core cooling system 2 (RCIC/MUWC) | Not functional | RCIC Working | Not functional | Not necessary | Not necessary | Not necessary |
| Building integrity | Damaged | Not damaged | Damaged | Not damaged | Not damaged | Not damaged |
| Environmental effect | 20 microSievert/hour at 11:44AM | |||||
| Pressure vessel, water level | Unknown | Above core | Unknown | Safe | Safe | Safe |
| Pressure vessel, pressure | Stable | Stable | Stable | Safe | Safe | Safe |
| Containment pressure | Stable | Stable | Stable | Safe | Safe | Safe |
| Sea water injection | Suspended | To be decided | Performed | Not necessary | Not necessary | Not necessary |
| Containment venting | Performed | Preparing | Performed | Not necessary | Not necessary | Not necessary |
| Evacuation area | 20 km | |||||
| INES | Level 4 (estimated by NISA) | |||||
| Status of reactors at 20:30 March 14[43] | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Power output (MWe) | 460 | 784 | 784 | 784 | 784 | 1100 |
| Type of reactor | BWR-3 | BWR-4 | BWR-4 | BWR-4 | BWR-4 | BWR-5 |
| Status at earthquake | In service | In service | In service | Shut down | Shut down | Shut down |
| Fuel integrity | Damaged | Unknown | Damaged | Not damaged | Not damaged | Not damaged |
| Containment integrity | Not damaged | Not damaged | Not damaged | Not damaged | Not damaged | Not damaged |
| Core cooling system 1 (ECCS/RHR) | Not functional | Not functional | Not functional | Not necessary | Not necessary | Not necessary |
| Core cooling system 2 (RCIC/MUWC) | Not functional | Not functional | Not functional | Not necessary | Not necessary | Not necessary |
| Building integrity | Damaged | Not damaged | Damaged | Not damaged | Not damaged | Not damaged |
| Environmental effect | 15 microSievert/hour at 13:55AM | |||||
| Pressure vessel, water level | Unknown | Low (recovering) | Unknown | Safe | Safe | Safe |
| Pressure vessel, pressure | Stable | Unknown | Stable | Safe | Safe | Safe |
| Containment pressure | Stable | Increasing | Stable | Safe | Safe | Safe |
| Sea water injection | Suspended | Done | Performed | Not necessary | Not necessary | Not necessary |
| Containment venting | Performed | Preparing | Performed | Not necessary | Not necessary | Not necessary |
| Evacuation area | 20 km | |||||
| INES | Level 4 (estimated by NISA) | |||||
